services/core/java/com/android/server/MasterClearReceiver.java

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.android.server;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.RecoverySystem;
import android.util.Log;
import android.util.Slog;

import java.io.IOException;

public class MasterClearReceiver extends BroadcastReceiver {
    private static final String TAG = "MasterClear";

    @Override
    public void onReceive(final Context context, final Intent intent) {
        if (intent.getAction().equals(Intent.ACTION_REMOTE_INTENT)) {
            if (!"google.com".equals(intent.getStringExtra("from"))) {
                Slog.w(TAG, "Ignoring master clear request -- not from trusted server.");
                return;
            }
        }

        final boolean shutdown = intent.getBooleanExtra("shutdown", false);
        final String reason = intent.getStringExtra(Intent.EXTRA_REASON);

        Slog.w(TAG, "!!! FACTORY RESET !!!");
        // The reboot call is blocking, so we need to do it on another thread.
        Thread thr = new Thread("Reboot") {
            @Override
            public void run() {
                try {
                    RecoverySystem.rebootWipeUserData(context, shutdown, reason);
                    Log.wtf(TAG, "Still running after master clear?!");
                } catch (IOException e) {
                    Slog.e(TAG, "Can't perform master clear/factory reset", e);
                } catch (SecurityException e) {
                    Slog.e(TAG, "Can't perform master clear/factory reset", e);
                }
            }
        };
        thr.start();
    }
}